Results 11 to 20 of about 13,962 (229)
Авіаційно-космічна техніка та технологія, 2023 Despite the technological advances that made it possible to create serial commercial micro-turbojet engines with a thrust of up to 1.0 kN, engines of this type in the class of high-speed unmanned aerial vehicles (UAVs) weighing up to 200 kg have not yet ...
Olexander Khrulev
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DEVELOPMENT OF A DYNAMIC MODEL FOR SIMULATION OF REAL-TIME TRANSIENT TURBOJET ENGINE PERFORMANCE IN SIMULINK [PDF]
مجله مدل سازی در مهندسی, 2017 This study deals with developing a dynamic model with capacity for use in aero-Thermodynamic real-time performance modeling of turbojet engines in MATLAB/Simulink environment.
Mohammad Faraji +4 more
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International Journal of Turbomachinery, Propulsion and Power, 2022 Presented herein is a comparative performance analysis of a novel turbofan engine with an auxiliary combustion chamber, nicknamed the TurboAux engine, against a turbojet engine, and a low bypass ratio turbofan engine with an afterburner is presented. The
Kaleab Fetahi +2 more
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Mach 4 Simulating Experiment of Pre-Cooled Turbojet Engine Using Liquid Hydrogen
Aerospace, 2022 This study investigated a pre-cooled turbojet engine for a Mach 5 class hypersonic transport aircraft. The engine was demonstrated under takeoff and Mach 2 flight conditions, and a Mach 5 propulsion wind tunnel test is planned.
Hideyuki Taguchi +5 more
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Model-Based Dynamic Performance Simulation of a Microturbine Using Flight Test Data
Aerospace, 2022 Microturbines can be used not only in models and education but also to propel UAVs. However, their wider adoption is limited by their relatively low efficiency and durability. Validated simulation models are required to monitor their performance, improve
Mario Leonardo Erario +2 more
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Impact of Using Chevrons Nozzle on the Acoustics and Performances of a Micro Turbojet Engine
Applied Sciences, 2021 This paper presents a study regarding the noise reduction of the turbojet engine, in particular the jet noise of a micro turbojet engine. The results of the measurement campaign are presented followed by a performances analysis which is based on the ...
Grigore Cican +2 more
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Advanced Control of an Electric Fuel-Oil Pump for Small Turbojet Engines
Aerospace, 2022 One way to efficiently control the fuel flow of small turbojet engines is to use direct control of the speed of a suitable electric fuel pump, as opposed to using relief valves.
Ladislav Főző, Rudolf Andoga
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Effect of a Secondary Injection on the Performance of Three-Dimensional Over-under TBCC Exhaust Nozzles [PDF]
Journal of Applied Fluid Mechanics, 2023 A numerical simulation is used to investigate the flow field characteristics of a three-dimensional over-under turbine-based combined cycle circular-to-rectangular transition exhaust nozzle when only the turbojet flowpath is in operation.
H. Yang, Q. Yang, Z. Mu, Y. Shi, L. Chen
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Modeling and Analysis of a Turbojet Fuel System [PDF]
International Journal of Computer Theory and Engineering, 2014 In aeronautics, two of the main key design drivers are the reduction of the fuel consumption and the reduction of its environmental impact. These two considerations are taken into account by both aircraft and engine manufacturers. On the engine regulation system level, the first objective is reached by reducing its mass.
Ricardo Noguera +5 more
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The Development of the Whittle Turbojet [PDF]
Journal of Engineering for Gas Turbines and Power, 1997 Sir Frank Whittle passed away on August 8, 1996, at the age of 89, in Maryland. His work in developing the turbojet can truly be said to represent one of the greatest mechanical engineering achievements in the last 70 years. The development of the turbojet demanded that Whittle face almost insurmountable technical and institutional challenges.
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